几万亿;几兆several trillion (= the number 1,000,000,000,000), or several trillion dollars, pounds, euros, etc.
The area has been estimated to have multi-trillion cubic feet of natural gas. 据估计，该地区拥有数万亿立方英尺的天然气。
The government faces multitrillion deficits over the next few years. 未来几年，政府将面临数万亿美元的赤字。